Home / 218,611,839-301,684,082.16-119,493,237.36

Finding the Fourth Proportional to 218,611,839, 301,684,082.16 and 119,493,237.36

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Solution

The fourth proportional to 218,611,839, 301,684,082.16 and 119,493,237.36 is: 164,900,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,611,839 : 301,684,082.16 = 119,493,237.36 : x
  2. Step 2: Convert to fraction form
    218,611,839/301,684,082.16 = 119,493,237.36/x
  3. Step 3: Cross multiply
    218,611,839x = 301,684,082.16 × 119,493,237.36
  4. Step 4: Simplify right side
    218,611,839x = 36,049,207,637,278,624
  5. Step 5: Solve for x
    x = 36,049,207,637,278,624/218,611,839
  6. Step 6: Final answer
    x = 164,900,527.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.